Biologists at the Environmental Protection Agency
He's asking for peer review: biologists are his peers
If they are both heterozygous black guinea pigs they both carry the allele for white fur. Therefore, the phenotype ratio would be 3:1 (75% offspring will be black furred, and a 25% it will be white furred). You can figure this out by using a punnet square too.
The central nervous system is made up of the brain and spinal cord.
The peripheral nervous system is made of fibers that branch from the spinal cord and extend to all parts of the body including the neck, arms, torso, legs, skeletal muscles and internal organs.
Hope I helped! : ) Please mark me brainliest.
Obsidian is an extrusive rock that is formed when magma from underneath the Earth's crust breaches and becomes lava. Once the lava starts cooling, it solidifies and elements are frozen, giving the rock its glassy appearance.
It is C. A message is distributed across the plasma membrane.
